mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2026-03-06 22:14:58 +08:00
0.0.1
This commit is contained in:
fofolee
162
docs/php/getrusage.html
Normal file
162
docs/php/getrusage.html
Normal file
@@ -0,0 +1,162 @@
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
|
||||
<title>获取当前资源使用状况</title>
|
||||
</head>
|
||||
<body class="docs"><div id="layout">
|
||||
<div id="layout-content"><div id="function.getrusage" class="refentry">
|
||||
<div class="refnamediv">
|
||||
<h1 class="refname">getrusage</h1>
|
||||
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">getrusage</span> — <span class="dc-title">获取当前资源使用状况</span></p>
|
||||
|
||||
</div>
|
||||
|
||||
<div class="refsect1 description" id="refsect1-function.getrusage-description">
|
||||
<h3 class="title">说明</h3>
|
||||
<div class="methodsynopsis dc-description">
|
||||
<span class="methodname"><strong>getrusage</strong></span>
|
||||
([ <span class="methodparam"><span class="type">int</span> <code class="parameter">$who</code><span class="initializer"> = 0</span></span>
|
||||
] ) : <span class="type">array</span></div>
|
||||
|
||||
<p class="para rdfs-comment">
|
||||
这是 <strong class="command">getrusage(2)</strong> 的接口。它返回了调用自系统的数据。
|
||||
</p>
|
||||
</div>
|
||||
|
||||
|
||||
<div class="refsect1 parameters" id="refsect1-function.getrusage-parameters">
|
||||
<h3 class="title">参数</h3>
|
||||
<p class="para">
|
||||
<dl>
|
||||
|
||||
|
||||
<dt>
|
||||
<code class="parameter">who</code></dt>
|
||||
|
||||
<dd>
|
||||
|
||||
<p class="para">
|
||||
如果 <code class="parameter">who</code> 是 1，getrusage 会使用
|
||||
<strong><code>RUSAGE_CHILDREN</code></strong> 来调用。
|
||||
</p>
|
||||
</dd>
|
||||
|
||||
|
||||
</dl>
|
||||
|
||||
</p>
|
||||
</div>
|
||||
|
||||
|
||||
<div class="refsect1 returnvalues" id="refsect1-function.getrusage-returnvalues">
|
||||
<h3 class="title">返回值</h3>
|
||||
<p class="para">
|
||||
返回了一个包含系统返回数据的关联数组。所以条目均可通过文档中字段的名称来访问。
|
||||
</p>
|
||||
</div>
|
||||
|
||||
|
||||
<div class="refsect1 examples" id="refsect1-function.getrusage-examples">
|
||||
<h3 class="title">范例</h3>
|
||||
<p class="para">
|
||||
<div class="example" id="example-511">
|
||||
<p><strong>Example #1 <span class="function"><strong>getrusage()</strong></span> 例子</strong></p>
|
||||
<div class="example-contents">
|
||||
<div class="phpcode"><pre><span style="color: #000000">
|
||||
<span style="color: #0000BB"><?php<br />$dat </span><span style="color: #007700">= </span><span style="color: #0000BB">getrusage</span><span style="color: #007700">();<br />echo </span><span style="color: #0000BB">$dat</span><span style="color: #007700">[</span><span style="color: #DD0000">"ru_nswap"</span><span style="color: #007700">]; </span><span style="color: #FF8000">// number of swaps<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$dat</span><span style="color: #007700">[</span><span style="color: #DD0000">"ru_majflt"</span><span style="color: #007700">]; </span><span style="color: #FF8000">// number of page faults<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$dat</span><span style="color: #007700">[</span><span style="color: #DD0000">"ru_utime.tv_sec"</span><span style="color: #007700">]; </span><span style="color: #FF8000">// user time used (seconds)<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$dat</span><span style="color: #007700">[</span><span style="color: #DD0000">"ru_utime.tv_usec"</span><span style="color: #007700">]; </span><span style="color: #FF8000">// user time used (microseconds)<br /></span><span style="color: #0000BB">?></span>
|
||||
</span>
|
||||
</pre></div>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
</p>
|
||||
</div>
|
||||
|
||||
|
||||
<div class="refsect1 changelog" id="refsect1-function.getrusage-changelog">
|
||||
<h3 class="title">更新日志</h3>
|
||||
<p class="para">
|
||||
<table class="doctable informaltable">
|
||||
|
||||
<thead>
|
||||
<tr>
|
||||
<th>版本</th>
|
||||
<th>说明</th>
|
||||
</tr>
|
||||
|
||||
</thead>
|
||||
|
||||
<tbody class="tbody">
|
||||
<tr>
|
||||
<td>7.0.0</td>
|
||||
<td>
|
||||
此函数现在开始支持 Windows。
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
</tbody>
|
||||
|
||||
</table>
|
||||
|
||||
</p>
|
||||
</div>
|
||||
|
||||
|
||||
<div class="refsect1 notes" id="refsect1-function.getrusage-notes">
|
||||
<h3 class="title">注释</h3>
|
||||
<blockquote class="note"><p><strong class="note">Note</strong>:
|
||||
<p class="para">
|
||||
在 Windows 上 <span class="function"><strong>getrusage()</strong></span> 仅会返回以下类型：
|
||||
</p>
|
||||
<p class="para">
|
||||
<ul class="simplelist">
|
||||
<li class="member"><em>"ru_stime.tv_sec"</em></li>
|
||||
<li class="member"><em>"ru_stime.tv_usec"</em></li>
|
||||
<li class="member"><em>"ru_utime.tv_sec"</em></li>
|
||||
<li class="member"><em>"ru_utime.tv_usec"</em></li>
|
||||
<li class="member">
|
||||
<em>"ru_majflt"</em> (only if <code class="parameter">who</code> is
|
||||
<strong><code>RUSAGE_SELF</code></strong>)
|
||||
</li>
|
||||
<li class="member">
|
||||
<em>"ru_maxrss"</em> (only if <code class="parameter">who</code> is
|
||||
<strong><code>RUSAGE_SELF</code></strong>)
|
||||
</li>
|
||||
</ul>
|
||||
</p>
|
||||
<p class="para">
|
||||
If <span class="function"><strong>getrusage()</strong></span> is called with <code class="parameter">who</code>
|
||||
set to <em>1</em> (<strong><code>RUSAGE_CHILDREN</code></strong>), then
|
||||
resource usage for threads are collected (meaning that internally the function
|
||||
is called with <strong><code>RUSAGE_THREAD</code></strong>).
|
||||
</p>
|
||||
</p></blockquote>
|
||||
<blockquote class="note"><p><strong class="note">Note</strong>:
|
||||
<p class="para">
|
||||
在 BeOS 2000，仅会返回以下类型：
|
||||
</p>
|
||||
<p class="para">
|
||||
<ul class="simplelist">
|
||||
<li class="member"><em>"ru_stime.tv_sec"</em></li>
|
||||
<li class="member"><em>"ru_stime.tv_usec"</em></li>
|
||||
<li class="member"><em>"ru_utime.tv_sec"</em></li>
|
||||
<li class="member"><em>"ru_utime.tv_usec"</em></li>
|
||||
</ul>
|
||||
</p>
|
||||
</p></blockquote>
|
||||
</div>
|
||||
|
||||
|
||||
|
||||
<div class="refsect1 seealso" id="refsect1-function.getrusage-seealso">
|
||||
<h3 class="title">参见</h3>
|
||||
<p class="para">
|
||||
<ul class="simplelist">
|
||||
<li class="member">你系统上 <strong class="command">getrusage(2)</strong> 的 man page</li>
|
||||
</ul>
|
||||
</p>
|
||||
</div>
|
||||
|
||||
|
||||
</div></div></div></body></html>
|
||||
Reference in New Issue
Block a user